Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
khi xanh » khia canh, thi hanh, thi anh
sinh cua » manh cua, dinh cuu, sinh va
dan toan » van toan, dan than, manh toan
ban than » ban thanh, van thanh, ban hanh
ban hang » ngan hang

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - nhan sinh cua nhung cong ((dan toan) OR (((ban than) OR (ban hang)))) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi khi xanh - nhan sinh cua nhung cong ((dan toan) or (((ban than) OR (ban hang)))) tap~".
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - nhan sinh cua nhung cong ((dan toan) or (((ban than) OR (ban hang)))) tap*.